GCL3405761: HOUSE OF THE SEVEN GABLES Entrance to the House of the Seven Gables, a Colonial mansion in Salem, Massachusetts, built in 1668, and the subject of the 1851 novel by Nathaniel Hawthorne. Photograph, c.1970. / Bridgeman Images

GCL3405762: HOUSE OF THE SEVEN GABLES The House of the Seven Gables, a Colonial mansion in Salem, Massachusetts, built in 1668, and the subject of the 1851 novel by Nathaniel Hawthorne. Photograph, c.1970. / Bridgeman Images

GCL3405770: HOUSE OF THE SEVEN GABLES Architectural detail of the House of the Seven Gables, a Colonial mansion in Salem, Massachusetts, built in 1668, and the subject of the 1851 novel by Nathaniel Hawthorne. Photograph, c.1970. / Bridgeman Images

GCL3405771: HOUSE OF THE SEVEN GABLES Architectural detail of the House of the Seven Gables, a Colonial mansion in Salem, Massachusetts, built in 1668, and the subject of the 1851 novel by Nathaniel Hawthorne. Photograph, c.1970. / Bridgeman Images

GCL3405081: RESERVATION PROJECT, c.1970 Construction project on a Native American reservation in the southwestern United States. Photographed c.1970. / Bridgeman Images

GCL3405082: STUDENT VOLUNTEER, 1972 Florencio Arciniega, Jr. (right), a college student working for the Arizona State Employment Service under the federal UYA (University Year for ACTION) program, speaking with Antonio Gomez, a maintenance worker for the Chicano rights organization La Raza Unida, in the border town of Douglas, Arizona, 1972. / Bridgeman Images

GCL3405094: CENTENNIAL FAIR, 1876 The Main Building at the Centennial Exposition in Philadelphia, Pennsylvania, 1876. Contemporary stereograph. / Bridgeman Images

GCL3405097: COLUMBIAN EXPOSITION, 1893 Walter Baker & Company's Cocoa and Chocolate Pavilion at the Columbian Exposition in Chicago, Illinois, 1893. / Bridgeman Images

GCL3405100: VERMONT: HAYRACK, 1946 'The Hayrack. Newbury, Vermont.' Wood engraving by H.C. Merrill, 1946. / Bridgeman Images

GCL3405103: FARMER, 14th CENTURY Two farmers ploughing a field with oxen. Panel from the Campanile of the Florence Cathedral in Italy, by Giotto or Andrea Pisano (or their workshops), 14th century. / Bridgeman Images

GCL3405104: AGRICULTURE: SPRING, c.1555 'Spring.' Line engraving by Pieter van der Heyden, after Pieter Brueghel the Elder, c.1555. / Bridgeman Images

GCL3405105: AUSTIN: MILKMAID A milkmaid milking a cow. Etching by English artist Frederick Austin, early 20th century. / Bridgeman Images

GCL3405106: IROQUOIS CHIEF AND WARRIOR A chief in European dress, a child, and a warrior scalping an enemy. Aquatint, c.1787, by Jacques Grasset de Saint-Sauveur. / Bridgeman Images

GCL3405110: FARMER WITH CRADLE An American farmer harvesting wheat with a cradle. Photograph, late 19th century. / Bridgeman Images

GCL3405116: UNCOMPAHGRE VALLEY: FARM A farm in the Uncompahgre Valley, Colorado, irrigated by the Uncompahgre River via the Gunnison Tunnel which opened in 1909. Photograph, c.1910. / Bridgeman Images

GCL3405136: HENRY JOHN HEINZ (1844-1919) American businessman and founder of the H.J. Heinz Company. Heinz (standing in wagon) visiting his workers in a field. Undated photograph. / Bridgeman Images

GCL3405137: PLOW ADVERTISEMENT, c.1890 Page from a Montgomery Ward mail-order catalogue, c.1890. / Bridgeman Images

GCL3405138: SHAWNEE DICE Dice (all less than an inch in diameter) used in the Bread Dance ceremony by Shawnee Native Americans in Oklahoma. / Bridgeman Images

GCL3405146: HOPI SNAKE DANCE, 1889 Hopi snake dance ceremony at Walpi Pueblo, northeastern Arizona. Photographed by Ben Wittick, 1889. / Bridgeman Images

GCL3405147: HOPI SNAKE PRIESTS, 1903 Hopi snake priests at Walpi Pueblo, in northeastern Arizona, removing snakes from their specially-constructed brush shelter, known as a kisi (right), to be used in the snake dance ceremony. Two antelope priests are also shown in the foreground. Photographed by George H. Pepper, 1903. / Bridgeman Images

GCL3405148: HOPI SNAKE DANCE, 1903 Hopi snake priests dancing with snakes during the snake dance ceremony in the village of Mishongnovi, northeastern Arizona. Photographed by George H. Pepper, 1903. / Bridgeman Images

GCL3405150: HOPI CEREMONY, c.1913 Hopi dancers in Hemis Kachina masks shaking rattles as they receive the prayers and good wishes of villagers at a pueblo in Arizona, during the Niman Kachina or 'going home' ceremony in the month of July. Photographed c.1913. / Bridgeman Images

GCL3405151: HOPI CEREMONY, c.1900 Hopi dancers in Hemis Kachina masks receiving the prayers and good wishes of villagers at a pueblo in Arizona, during the Niman Kachina or 'going home' ceremony in the month of July. Photographed c.1900. / Bridgeman Images

GCL3405156: DEERE PLOW, c.1866 American advertisement for John Deere's Hawkeye Sulky Corn Cultivator, c.1866. / Bridgeman Images

GCL3405161: FASHION: GRANGER HAT American advertisement for a Granger Hat from a Montgomery Ward catalogue, 19th century. / Bridgeman Images

GCL3405165: FASHION: DRESS, c.1874 American dress of green silk taffeta bodice with an attached overskirt and a separate underskirt, c.1874. / Bridgeman Images

GCL3405175: FASHION: DRESS, 1895 Blue iridescent cotton and silk satin dress with leg-of-mutton style sleeves, American, 1895. / Bridgeman Images

GCL3404981: MEXICAN FOLK DANCER, c.1965 A native Mexican 'conchero,' or shell dancer, playing a banjo made of an armadillo shell and dressed as an Aztec prince. Photograph, c.1965. / Bridgeman Images

GCL3404986: MEXICAN FOLK DANCERS, c.1970 Pedro Rodriguez as a matador and Emilio Ceron as a bull in 'Viva la Vida,' the final episode in the folk ballet, 'The Tarascans,' by the Ballet Folklorico de Mexico de Amalia Hernandez, c.1970. / Bridgeman Images

GCL3404991: MEXICAN FOLK DANCERS, c.1965 Mercedes Losza and Humberto Trevino of Ballet Folklorico de Mexico, perform a handkerchief courting dance from the folk ballet, 'Chiapas,' c.1965. / Bridgeman Images

GCL3404993: MEXICAN FOLK DANCE, c.1970 Scene from a dance by the Ballet Folklorico de Mexico de Amalia Hernandez, c.1970. / Bridgeman Images

GCL3404995: MEXICAN FOLK DANCE, c.1970 Dancers dressed as Aztecs in a scene by the Ballet Folklorico de Mexico de Amalia Hernandez, c.1970. / Bridgeman Images

GCL3404996: MEXICAN FOLK DANCE, c.1970 Dancer dressed as a leopard in a scene by the Ballet Folklorico de Mexico de Amalia Hernandez, c.1970. / Bridgeman Images

GCL3405002: FRANKLIN DELANO ROOSEVELT (1882-1945). 32nd President of the United States. Making one of his 'Fireside Chats,' c.1935. / Bridgeman Images

GCL3405011: ONTARIO: TIMMINS, c.1915 The town of Timmins, Ontario, Canada. Photograph, c.1915. / Bridgeman Images

GCL3405014: IDAHO: LABOR LEADERS, 1907 Left to right: American labor leaders Charles Moyer, William D. Haywood and George Pettibone, photographed outside the sheriff's office in Boise, Idaho, awaiting trial for the murder of ex-governor Frank Steunenberg. They were all acquitted. Photograph, 1907. / Bridgeman Images